Sash-fastener



(No Model.)

J. WA'NDER. SASH FASTENER.

mi Nomus versus ch, vmru-umm, WAsnmm'oN, n. 0.

NITED STATES PATENT OFFICE.

JOHN WANDER, OF ORANGE VALLEY, NEW JERSEY.

SASH-FASTENER.

SPECIFICATION forming part of Letters Patent No. 450,344, dated April14, 1891.

Application filed November 3, 1890- Serial No. 370,210. (No model.)

To all whom it may concern:

Be itknown that 1, JOHN WANDER, a citizen of the United States, residingat Orange Valley, in the county of Essex and State of New Jersey, haveinvented certain new and useful Improvements in Window-Screen Fasteners;and I do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same, reference being hadto the accompanying drawings, and to letters of reference markedthereon, which form a part of this specification.

The object of this invention is to provide an ordinary mosquito screenor bar with con venient and effectual means for preventing the saidscreen from being raised from the outside by improper or unauthorizedparties, to secure a simple and inexpensive fastening, and one that willnot deface the windowframe when the screen is removed.

The invention consists in the improved window-screen fastening and thearrangements and combinations of parts, substantially as will behereinafter set forth.

Referring to the accompanying drawings, in which like letters indicatecorresponding parts in each of the several views, Figure l is a frontelevation of a window-frame having a screen with my improved fastenings.Fig. 2 is a detail elevation of the same on an enlarged scale. Fig. 6 isa section on line no;

and Figs. 3, 4, and 5. are details of a windowframe plate adapted toco-operate With the screen-catch, Figs. 4 and 5 being sections on lines.2 and y, respectively.

In said drawings, Cl, indicates the windowframe; I), the frame of theWindow-screen, which lies substantially flush with the saidwindow-frame, and c the catch secured to said screen and engaging aco-operating catch (1 on the window-frame. Of said catch 0 for thescreen, e is a plate secured to the screenframe and lying in a planewith the co-operating catch and providing ears f for afulcrumal pin orbar g and a lug h for-holding a spring 01 in position. j is a leverhaving ears 7.: working on said pin or bar g and held from lateralmovement by the ears f. The

handle Z of the lever rests on the spring 2, and is provided with a lugm for holding the end of the spring in position. On the opposite end ofthe lever the same projects beyond the plate 6, and is provided with apin or lug n, integrally cast or secured on the under or rear sidethereof and adapted to entera hole or recess 0 in the co-operating catchon the window-frame. When the catch 0 is fastened on the screen, the endof the lever opposite the handle projects over and is held by the spring1' against the casing on which itslides as the screen is raised. Twoco-operating catch-plates are preferably employed-one to hold the screenat its lowest limit of movement and another to hold said screen in anelevated position. After removing the catch a from the co-operatingcatch (1, so as to release the screen, and the latter is moved towardthe second co-operating catch, it enters into holding engagement withsaid second catch automatically, as will be understood.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination, with the frame 00 and screen-frame b, lying flushtherewith, of a plate 01 on said frame a, and a catchingrlever fulcrumedon the screen and having an end extending over onto the frame a andadapted to enter into positive holding engagement with the plate (1,substantially as set forth.

2. In combination, the plate e, leverj, fulcrumed on said plate andhaving lug n and a handle at the opposite end, a spring bearing againstsaid handle, and a plate adapted to lie flush with said plate e, havinga hole or recess 0 to receive the lug n of the projecting lever,substantially as set forth.

In testimony that I claim the foregoing I have hereunto set my hand this4th day of October, 1890.

JOHN WANDER.

Witnesses:

OSCAR A. MICHEL, CHARLES H. PELL.

